// Copyright 2008 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_
#define V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_

#include "src/regexp/regexp-macro-assembler.h"

namespace v8 {
namespace internal {

    // Decorator on a RegExpMacroAssembler that write all calls.
    class RegExpMacroAssemblerTracer : public RegExpMacroAssembler {
    public:
        RegExpMacroAssemblerTracer(Isolate* isolate, RegExpMacroAssembler* assembler);
        ~RegExpMacroAssemblerTracer() override;
        void AbortedCodeGeneration() override;
        int stack_limit_slack() override { return assembler_->stack_limit_slack(); }
        bool CanReadUnaligned() override { return assembler_->CanReadUnaligned(); }
        void AdvanceCurrentPosition(int by) override; // Signed cp change.
        void AdvanceRegister(int reg, int by) override; // r[reg] += by.
        void Backtrack() override;
        void Bind(Label* label) override;
        void CheckAtStart(Label* on_at_start) override;
        void CheckCharacter(unsigned c, Label* on_equal) override;
        void CheckCharacterAfterAnd(unsigned c, unsigned and_with,
            Label* on_equal) override;
        void CheckCharacterGT(uc16 limit, Label* on_greater) override;
        void CheckCharacterLT(uc16 limit, Label* on_less) override;
        void CheckGreedyLoop(Label* on_tos_equals_current_position) override;
        void CheckNotAtStart(int cp_offset, Label* on_not_at_start) override;
        void CheckNotBackReference(int start_reg, bool read_backward,
            Label* on_no_match) override;
        void CheckNotBackReferenceIgnoreCase(int start_reg, bool read_backward,
            bool unicode,
            Label* on_no_match) override;
        void CheckNotCharacter(unsigned c, Label* on_not_equal) override;
        void CheckNotCharacterAfterAnd(unsigned c, unsigned and_with,
            Label* on_not_equal) override;
        void CheckNotCharacterAfterMinusAnd(uc16 c, uc16 minus, uc16 and_with,
            Label* on_not_equal) override;
        void CheckCharacterInRange(uc16 from, uc16 to, Label* on_in_range) override;
        void CheckCharacterNotInRange(uc16 from, uc16 to,
            Label* on_not_in_range) override;
        void CheckBitInTable(Handle<ByteArray> table, Label* on_bit_set) override;
        void CheckPosition(int cp_offset, Label* on_outside_input) override;
        bool CheckSpecialCharacterClass(uc16 type, Label* on_no_match) override;
        void Fail() override;
        Handle<HeapObject> GetCode(Handle<String> source) override;
        void GoTo(Label* label) override;
        void IfRegisterGE(int reg, int comparand, Label* if_ge) override;
        void IfRegisterLT(int reg, int comparand, Label* if_lt) override;
        void IfRegisterEqPos(int reg, Label* if_eq) override;
        IrregexpImplementation Implementation() override;
        void LoadCurrentCharacter(int cp_offset, Label* on_end_of_input,
            bool check_bounds = true,
            int characters = 1) override;
        void PopCurrentPosition() override;
        void PopRegister(int register_index) override;
        void PushBacktrack(Label* label) override;
        void PushCurrentPosition() override;
        void PushRegister(int register_index,
            StackCheckFlag check_stack_limit) override;
        void ReadCurrentPositionFromRegister(int reg) override;
        void ReadStackPointerFromRegister(int reg) override;
        void SetCurrentPositionFromEnd(int by) override;
        void SetRegister(int register_index, int to) override;
        bool Succeed() override;
        void WriteCurrentPositionToRegister(int reg, int cp_offset) override;
        void ClearRegisters(int reg_from, int reg_to) override;
        void WriteStackPointerToRegister(int reg) override;

    private:
        RegExpMacroAssembler* assembler_;
    };

} // namespace internal
} // namespace v8

#endif // V8_REGEXP_REGEXP_MACRO_ASSEMBLER_TRACER_H_
